Note 7 - Operating Segment Information (Details) - Information Related to Operations of Operating Segments (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Segment Reporting Information [Line Items]
Net sales	$ 30,854,000	$ 29,335,000	$ 61,839,000	$ 57,843,000
Gross margin	11,178,000	9,662,000	22,491,000	19,124,000
Selling and administrative expenses	9,102,000	8,088,000	18,659,000	17,002,000
Interest expense	8,000	7,000	15,000	18,000
Income before income taxes	2,068,000	1,567,000	3,817,000	2,104,000
Depreciation and amortization	360,000	565,000	709,000	1,179,000
Capital expenditures	411,000	252,000	965,000	675,000
Total assets	87,226,000	80,263,000	87,226,000	80,263,000	78,913,000
Uniform And Related Products [Member]
Segment Reporting Information [Line Items]
Net sales	29,592,000	28,659,000	59,309,000	56,479,000
Gross margin	10,443,000	9,299,000	20,996,000	18,421,000
Selling and administrative expenses	8,905,000	8,153,000	18,245,000	17,131,000
Interest expense	8,000	7,000	15,000	18,000
Income before income taxes	1,530,000	1,139,000	2,736,000	1,272,000
Depreciation and amortization	311,000	526,000	611,000	1,099,000
Capital expenditures	345,000	148,000	825,000	501,000
Total assets	80,472,000	75,484,000	80,472,000	75,484,000
Remote Staffing Solutions [Member]
Segment Reporting Information [Line Items]
Net sales	2,166,000	1,630,000	4,340,000	3,264,000
Gross margin	1,330,000	958,000	2,695,000	1,921,000
Selling and administrative expenses	792,000	530,000	1,614,000	1,089,000
Income before income taxes	538,000	428,000	1,081,000	832,000
Depreciation and amortization	49,000	39,000	98,000	80,000
Capital expenditures	66,000	104,000	140,000	174,000
Total assets	8,357,000	6,538,000	8,357,000	6,538,000
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Net sales	(904,000)	(954,000)	(1,810,000)	(1,900,000)
Gross margin	(595,000)	(595,000)	(1,200,000)	(1,218,000)
Selling and administrative expenses	(595,000)	(595,000)	(1,200,000)	(1,218,000)
Total assets	$ (1,603,000)	$ (1,759,000)	$ (1,603,000)	$ (1,759,000)